Roses
Question: How do I cut hybrid tea roses
properly to insure more blossoms
Answer: Cutting hybrid tea roses
properly insures more blossoms throughout the season. When you cut roses,
prune back to a leaf with five leaflets. Cut rose stem low enough to keep
the bush compact.
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Q&A: Overwintering Tea Roses
Question: What is the best way to
prepare my tea roses for winter.
Answer: Our winters are cold and
while we usually get lots of snow, last year we didn't and I lost a few
rose bushes. Answer: If you haven't stopped fertilizing your roses yet,
you should stop now. Generally, it is a good idea to stop fertilizing roses
in early August. If you fertilize beyond that date, you can get a flush
of new growth--just when the plant should be winding down and preparing
for winter dormancy.
Also, stop deadheading (removing the spent
blooms). Instead, let those blooms stay intact and form seed pods, or "hips."
The formation of hips signals the rose to stop growing. It's important
that roses are in a full state of dormancy before the really cold weather
hits. Once your roses are dormant, it is time to apply the winter protection.
Begin by cleaning up the rose bed, removing
all leaf litter from the ground, and the top inch of mulch. There are many
diseases that overwinter in leaf litter, so good housecleaning in the fall
is essential. Some gardeners go as far as plucking off any leaves that
are still clinging on the canes. Next, give the bed a deep watering. The
roses need a big gulp before their long winter's nap.
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Q&A: Rose Bush Dying From Black Spot
Question: My rose bush is almost
dead ( some life). I sprayed with a fungicide. and insecticide.should i
prune back all dead branches? if so , how far down can i go?
Answer: Most roses can recover and
releaf if they are otherwise healthy. Mid August is not a good time to
prune because the new growth will be very tender and likely to winterkill
as a result. Black spot is a fungal infection and can be difficult to control.
Using an appropriate fungicide according to the label instructions along
with removing any infected leaves and a very thorough clean up of the area
around the plant can help. It is also good to keep the plant pruned regularly
to enhanc eair circulation through it and to avoid overhead watering. Using
a fresh layer of new mulch each spring can also help reduce the reinfection
rate. In the end though, some rose varieties are more prone to black spot
than others so if you have one that is particularly susceptible to it you
might consider another variety.
Here are two options for protecting
roses:
1. Cut canes back to 2 to 3 feet tall after
they're dormant. Cover the crown with a 1-foot deep layer of bark mulch.
The mulch will protect the crown and allow air to circulate. Don't use
soil, leaves, or grass clippings as they tend to hold too much water which
can cause rot. Then wrap the canes with burlap to protect them from drying
winds.
2. Use purchased rose cones. Be sure to
anchor them well so they won't blow away. These cost more, and it's not
clear if they provide any better protection than the first method, but
they are more convenient.
Question: Why are the new leaves on my
rose plants yellow?
Answer: If the new leaves on your
roses are pale yellow or the areas between the leaf veins are yellow, your
plants may be iron deficient. Spray a chelated iron fertilizer on the leaves
to correct the deficiency.
Question: How do I make a tea to feed my
roses?
Answer: Roses love alfalfa tea.
Place 3 cups of alfalfa meal in an 8 gallon bucket. Fill with water, stir,
and cover for several days. Pour one gallon of tea over the roots of rose
bushes three times a year.
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Q&A: Companions for container roses
Question: I have several rose bushes in
individual barrels, and to accent the roses I planted mums, thyme, rosemary,
succulents, and/or ground cover vinca around the bases of the shrubs. Are
these going to interfere the growth of the roses?
Answer: The companion plants you've
chosen for your roses should be quite happy where you've planted them.
The best plant companions are those with similar cultural needs. In the
case of your roses, they should thrive in full sunshine, in rich, moist
soil. The plants you've chosen do not have invasive root systems and should
not interfere with the root systems of your roses.
Question: What is the easiest rose
to grow? Are there any that do not need regular spraying with pesticides?
Answer: There are many disease resistant,
hardy roses available, but none are "bug-proof" or "disease-proof." When
shopping for roses, look for varieties described as "resistant to black
spot," a notorious fungal disease of roses. Rugosa roses are a good choice.
Though they can look a little more "wild" than tea roses, they tend to
be more rugged and resistant to pests.
Japanese beetles, rose chafers, and aphids
are a few examples of rose-loving insects. Fortunately, there are organic,
neem-based repellants available that have shown some success in keeping
these critters at bay, so long as they are applied before the insects arrive.
There are many different kinds of roses
(floribundas, hybrid tea, shrub, miniature, etc.), so you'll want to do
some "window shopping" to see what type fits your situation. Then search
out a disease-resistant, hardy variety in that category.
Roses - Tea
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Q&A: Tea Roses in containers.
Question: Can I grow hybrid tea roses in containers?
Answer: Yes, you can grow hybrid tea roses in containers, as
long as you overwinter them in a protected location. Use the largest container
available, such as a 1/2 whiskey barrel. Fill the barrel with a mix of
compost, peat-based, potting soil and some perlite (for drainage). Plant
the rose as you normally would outdoors, placing the graft union about
1 inch below the soil surface. Grow the roses all summer in full sun, keeping
them watered and fertilized monthly. Come fall, let the rose naturally
drop it's leaves and go through some below freezing temperatures. Then
bring the containers into an unheated garage, wrap the canes with burlap
and leave them through the winter. It's a good idea to place hay bales
or some other insulation around the containers to minimize freeze/thaw
cycles.
Before you get started, remember that the containers will be very heavy
to move.
St. Augustine
Grass
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Q&A: Caring for St. Augustine Grass
Question: Is it beneficial to aerate and
dethatch St. Augustine grass?
Answer: Aerating St. Augustine can
be beneficial to the turf. Dethatching, however, is too damaging as St.
Augustine spreads by aboveground runners and the dethatching machines can
do significant damage.
St. Augustine rarely has a thatch problem.
Overwatering, overfertilizing and excessive use of fungicides can contribute
to a thatch problem, but proper lawn care almost never results in excessive
thatch buildup in St. Augustine.
Sedums
Question: How and where should I plant
Sedum
Answer: Sedums are great perennials
for fall color producing coppery-red flower heads from late summer until
frost. Plant sedums in well-drained soil amended with compost in a part-
to full-sun location. Keep plants well watered.
Strawberries
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Q&A: Preparing
Strawberries for Winter
Question: Should
I cut back my strawberry plants before I put on a layer of straw mulch
for the winter?
Answer: No,
it's best to leave the leaves in place. Mowing can stimulate new growth
which is more succeptible to frost damage. Let the ground freeze hard before
mulching the patch with straw, leaves or covering with a fabric row cover.
This will prevent heaving of the soil during warm/cold cycles of winter.
If you want to renovate the patch, you can mow the tops after spring harvest.
This will stimulate a bunch of new runners, and you can set them to replace
your older plants.
Soil
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Q&A: Soil for Raised Beds
Question: I just finished building raised
beds for flowers and veggies. What type of soil mix should I use to fill
them?
Answer: A mix of about half topsoil
and half compost will be good. Another option is to mix compost and sand
with your existing soil in a 50% compost, 25% sand and 25% soil mix. Whatever
mix you use, blend it in with your existing soil in the bottom of the beds
before adding more mix to prevent a sudden interface or different soil
types.
Tomato
Question: Are there any varieties of
tomato that will grow in a shady area?
Answer: There really isn't a shade
tolerant variety of tomato. All tomatoes will produce their best crop in
full sun (at least 6 hours of direct sun per day). You will find, however,
that the small-fruited or cherry types tend to set a little better when
light levels are less than ideal. Perhaps you could plant your tomatoes
in containers, and place them in the sunniest spot you have!
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